| Title | : | NASA at Mars 20 years of 247 exploration |
| Duration | : | 3 minutes, 20 seconds |
| Uploader | : | NASA Jet Propulsion Laboratory |
| Added On: | : | 22 June, 2017 |
| Views | : | 2.7M times |
| Likes | : | 0 |
| Source | : | YouTube |
No one under 20 has experienced a day without NASA at Mars. The Pathfinder mission, carrying the Sojourner rover, landed on Mars on July 4, 1997. In the 20 years since Pathfinder's touchdown, eight other NASA landers and orbiters have arrived successfull
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